Acroleptus alvarengai Ferreira, 2020

Ferreira, Vinicius S., 2020, Revision of Acroleptus Bourgeois, 1886 and descriptions of New Acroleptina taxa (Coleoptera, Lycidae, Calopterini), Journal of Natural History (J. Nat. Hist.) 53 (45 - 46), pp. 2739-2756 : 2747-2748

publication ID	https://doi.org/ 10.1080/00222933.2020.1733120
persistent identifier	https://treatment.plazi.org/id/91139A67-1D2A-F270-AF95-5ADDFDDAACC8
treatment provided by	Carolina
scientific name	Acroleptus alvarengai Ferreira
status	sp. nov.

Treatment

Acroleptus alvarengai Ferreira new species

Figures 4 – 6, 17, 25.

Material examined (3). Holotype 1 ♂: BRAZIL Bahia; Encruzilhada ; XI.1974; M. Alvarenga ( CNC) . Paratypes, 2♂: Same data as holotype.

Etymology. The species was named after Moacyr Alvarenga. He was a lieutenant of the Brazilian air force ( Teixeira de Freitas 1956) and a very prolific collector of insects and other animals in Brazil.

Diagnosis. The pronotum yellow with disc region dark brown, the elytra completely dark brown bearing irregular rectangular cells ( Figure 4) and the male genitalia shape ( Figure 17) distinguishes A. alvarengai from other species in the genus.

Description. Head dark brown ( Figure 6). Antennae reaching middle of elytra, densely setose; flabellum of antennomere IV twice the length of stem; flabellum antennomere V 3x longer than stem; flabellum of antennomeres VI and VII 4.5x longer than stem; flabellum of antennomeres VII and IX 5x longer than stem; flabellum of antennomere X 4x longer than stem. Pronotum yellow, disc region dark-brown. Elytra: dark brown, subparallel, 7x longer than pronotum; reticulate, irregular rectangular cells, with four elytral costae; costa I only reaching three-fourths of elytra length ( Figures 4, 5). Male genitalia bilaterally symmetrical; exposed portion of median lobe 1.5 x the length of parameres, slightly tapered towards apex, rounded apically, with a membranous round structure in the apex of median lobe; folds in the basal inner margin of median lobe strongly developed; phallobase elongate, lateral margins subparallel, posterior margin round, median suture absent ( Figure 17).

Length (pronotum+elytra): 4.5 – 4.7 mm. Width (across humerus): 1.1 – 1.2 mm.

Distribution. Bahia, Brazil ( Figure 25).

Type locality. Encruzilhada, Bahia, Brazil .